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Запись DVD под FreeBSD [eng] (dvd iso_image freebsd)

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Ключевые слова: dvd, iso_image, freebsd,  (найти похожие документы)
From: Gaqzi <gaqzi at linux dot se> Newsgroups: Date: Mon, 23 Feb 2004 14:31:37 +0000 (UTC) Subject: Запись DVD под FreeBSD [eng] Оригинал: Multimedia: DVD Burning with FreeBSD. * Introduction. As you all probably know it's pretty cheap with DVD burners these days. With the capacity of the medium I came to the conclusion that I would benefit from having the ability to backup my data with a DVD burner instead of a CD burner, so I went out and bought one. With my new Nec DVD -/+ burner I started the trip to be able to burn in my favourite OS. As I soon found out I couldn't simply burn through burncd when it came to DVD's as I did with ordinary CDR's. * The HowTo. Some looking around I noticed that I would have to go through the ATAPI/CAM driver to be able to burn my DVDs. In our nice handbook it's written that we need to have these in our kernels to be able to use ATAPI/CAM. device atapicam device scbus device cd device pass and device ata device atapicd which the last two for the most part is in the kernel configuration file. When this have been added we'll compile the kernel, install it and reboot. (If you don't know how to recompile your kernel it's documented in chapter nine in the handbook.) Now when the compilation is over and we're back in let's look if the cd device have been found. $ dmesg | grep cd acd0: DVD-R <_NEC DVD_RW ND-1300A> at ata0-slave PIO4 cd0 at ata0 bus 0 target 1 lun 0 cd0: <_NEC DVD_RW ND-1300A 1.06> Removable CD-ROM SCSI-0 device cd0: 16.000MB/s transfers cd0: Attempt to query device size failed: NOT READY, Medium not present Nice, nice, it found my NEC burner. :) Now when we know all up to this seem to work let's install dvd+rw-tools. Though don't let the name fool you, it burns the dash (-) format aswell. (Which I have due to economical reasons ;) ) It's located in /usr/ports/sysutils/dvd+rw-tools/ so lets go there and compile/install it. # cd /usr/ports/sysutils/dvd+rw-tools/ && make install clean distclean <magic dance of compilation..> So, now when this is done let's compile cdrtools where the burning program we're going to use later on is. # cd /usr/ports/sysutils/cdrtools/ && make install <magic dance of compilation..> Now when all programs we need are compiled and installed lets begin the creation of an ISO filesystem and file to burn later on. "growisofs was originally designed as a frontend to mkisofs to facilitate appending of data to ISO9660 volumes residing on random-access media such as DVD+RW, DVD-RAM, plain files, hard disk partitions." With other words, the interesting stuff mkisofs take care of. For a vanilla ISO9660 we do this: (Remember that you can only save files with 8.3 chars file length, eight chars for the file name and three for the filetype). # mkisofs -o cd.iso cd_dir For an ISO9660 DVD with Joliet we do this: (Supports up to 31 chars in filename, most likely will only work on Windows). # mkisofs -o cd.iso -J cd_dir For an ISO9660 DVD with Joliet and Rock Ridge extension: (As I've understood this -J (Joliet) makes the DVD able to use filenames with up to 31 chars length, -r (Rock Ridge) do it for the *NIX systems. -l do so the disc actually use 31 character filenames). # mkisofs -o cd.iso -J -r -l cd_dir mkisofs have alot of other options that are documented in it's man-page, mkisofs(8) Though here are some which are worth mentioning, -V <volume-label> -v verbose mode -R Rock Ridge but it saves the file system owner of a file. Now when we have an ISO file to burn lets begin with the burning. (Burn baby!) <bt> We're burning through growisofs, -dvd-compat mode, which means that the DVD writes with maximal compatability mode for DVD-ROM/-VIDEO for -R/+R it means that it closes the DVD after burning, -Z to direct the program to which device we're burning through and =<path to image file>. The device we're going to burn through is the one we got from dmesg earlier, cd0 for instance. -speed=<speed to burn in> a pretty nice option if your burner and DVD's handles more than 1x in burning speed. # growisofs -dvd-compat -speed=4 -Z /dev/cd0=image.iso Ofcourse you dont have to create an ISO file/image to be able to burn, we could just have passed the directory and other options to growisofs, as you probably remember growisofs is a frontend to mkisofs. # growisofs -Z /dev/cd0 -r -J -speed=4 /folder/to/ Executing 'builtin_dd if=image.iso of=/dev/pass0 obs=32k seek=0' 16154624/3688857600 ( 0.4%) @3.4x, remaining 22:44 26902528/3688857600 ( 0.7%) @2.3x, remaining 20:25 ... Now if all went well we've gotten a new DVD disc with content. Everything worked well for me the first time and I hope everything went as well for you. :) Sources: MAN pages for: growisofs (1) mkisofs (8)

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